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  <title>用给定的值填充数组</title>
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 <body class="docs"><div id="layout">
  <div id="layout-content"><div id="function.array-fill" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">array_fill</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.2.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">array_fill</span> &mdash; <span class="dc-title">用给定的值填充数组</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.array-fill-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>array_fill</strong></span>
    ( <span class="methodparam"><span class="type">int</span> <code class="parameter">$start_index</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$num</code></span>
   , <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>
   ) : <span class="type">array</span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>array_fill()</strong></span> 用 <code class="parameter">value</code>
   参数的值将一个数组填充 <code class="parameter">num</code> 个条目，键名由
   <code class="parameter">start_index</code> 参数指定的开始。
  </p>
   </div>
    
   
   <div class="refsect1 parameters" id="refsect1-function.array-fill-parameters">
    <h3 class="title">参数</h3>
    <p class="para">
     <dl>

      
      
       <dt>
<code class="parameter">start_index</code></dt>

       <dd>

        <p class="para">
         返回的数组的第一个索引值。
        </p>
        <p class="para">
         如果 <code class="parameter">start_index</code> 是负数，
         那么返回的数组的第一个索引将会是
         <code class="parameter">start_index</code> ，而后面索引则从0开始。
            (参见 <a href="array-fill.html#function.array-fill.example.basic" class="link">例子</a>)。
        </p>
       </dd>

      
      
      
       <dt>
<code class="parameter">num</code></dt>

       <dd>

        <p class="para">
         插入元素的数量。
         必须大于或等于 0。
        </p>
       </dd>

      
      
      
       <dt>
<code class="parameter">value</code></dt>

       <dd>

        <p class="para">
         用来填充的值。
        </p>
       </dd>

      
      
     </dl>

    </p>
   </div>

   
   <div class="refsect1 returnvalues" id="refsect1-function.array-fill-returnvalues">
    <h3 class="title">返回值</h3>
    <p class="para">
     返回填充后的数组。
    </p>
   </div>

   
   <div class="refsect1 errors" id="refsect1-function.array-fill-errors">
    <h3 class="title">错误／异常</h3>
    <p class="para">
     如果 <code class="parameter">num</code> 小于零，将会抛出 <strong><code>E_WARNING</code></strong>。
    </p>
   </div>


 <div class="refsect1 changelog" id="refsect1-function.array-fill-changelog">
  <h3 class="title">更新日志</h3>
  <p class="para">
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>版本</th>
       <th>说明</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>5.6.0</td>
       <td>
        <code class="parameter">num</code> 现在可以是零。
        之前 
        <code class="parameter">num</code> 必须大于零。
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>

   
   <div class="refsect1 examples" id="refsect1-function.array-fill-examples">
    <h3 class="title">范例</h3>
    <p class="para">
     <div class="example" id="example-6026">
      <p><strong>Example #1 <span class="function"><strong>array_fill()</strong></span> 例子</strong></p>
      <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$a&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">array_fill</span><span style="color: #007700">(</span><span style="color: #0000BB">5</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">6</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'banana'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$b&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">array_fill</span><span style="color: #007700">(-</span><span style="color: #0000BB">2</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">4</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'pear'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$b</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
      </div>

      <div class="example-contents"><p>以上例程会输出：</p></div>
      <div class="example-contents screen">
<div class="cdata"><pre>
Array
(
    [5]  =&gt; banana
    [6]  =&gt; banana
    [7]  =&gt; banana
    [8]  =&gt; banana
    [9]  =&gt; banana
    [10] =&gt; banana
)
Array
(
    [-2] =&gt; pear
    [0] =&gt; pear
    [1] =&gt; pear
    [2] =&gt; pear
)
</pre></div>
    </div>
   </div>
     </p>
   </div>

   
   <div class="refsect1 notes" id="refsect1-function.array-fill-notes">
    <h3 class="title">注释</h3>
    <p class="para">
     参见手册上 <a href="language.types.array.html" class="link">数组</a> 一节里关于负数的键的详细解释。
    </p>
   </div>

   
   <div class="refsect1 seealso" id="refsect1-function.array-fill-seealso">
    <h3 class="title">参见</h3>
    <p class="para">
     <ul class="simplelist">
      <li class="member"><span class="function"><a href="array_fill_keys.html" class="function" rel="rdfs-seeAlso">array_fill_keys()</a> - 使用指定的键和值填充数组</span></li>
      <li class="member"><span class="function"><a href="str_repeat.html" class="function" rel="rdfs-seeAlso">str_repeat()</a> - 重复一个字符串</span></li>
      <li class="member"><span class="function"><a href="range.html" class="function" rel="rdfs-seeAlso">range()</a> - 根据范围创建数组，包含指定的元素</span></li>
     </ul>
    </p>
   </div>

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